[AWS Certified Solutions Architect] EC2, EBS, EFS, ELB

Public IP : machine can be identified in WWW, must be unique across the whole web vs Private IP : machine can only be identified on a private network, must be unique across the private network vs Elastic IP : fixed public IP for instnace Placement Groups : control over the EC2 instance placement strategy - Cluster : clusters instances into a low-latency group in a single AZ Pros : Great network(10Gbps bandwidth) Cons : if the rack fails, all instances fails at the same time - Spread : spreads in...